Reality TV producer Johnathan Walton has worked on shows like American Ninja Warrior and Shark Tank. But for Walton, the most vicious shark he ever encounters comes in the form of a new neighbor, Mair Smyth. Claiming to be Irish royalty, Smyth says she is battling her family for a $25 million inheritance. The two develop a friendship, until Walton discovers his new best friend is an international con artist who's stolen hundreds of thousands of dollars from multiple people, including him.